Annual report pursuant to Section 13 and 15(d)

SUMMARY OF ACCOUNTING POLICIES - Additional Information (Detail)

v3.10.0.1
SUMMARY OF ACCOUNTING POLICIES - Additional Information (Detail) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Jan. 01, 2018
Significant Accounting Policies [Line Items]                        
Hedge margin liabilities         $ 17         $ 17    
Investments and Restricted Cash $ 170       483       $ 170 483    
Allowance for doubtful account 94       104       94 104    
Provision for doubtful accounts expense                 118 133 $ 116  
Inventories 421       404       421 404    
Capitalized interest                 97 49 14  
Net currency transaction gains and (losses), pre-tax                 (19) 3 5  
Income tax benefit                 (1,228) (2,232) (1,699)  
Decrease in other financing activities                 5,692 (3,287) 3,140  
Increase in operating activities                 12,711 1,479 6,473  
Operating lease, future minimal payments 2,967               2,967      
Revenues (19,848) $ (17,444) $ (17,456) $ (17,113) (18,975) $ (16,173) $ (15,927) $ (15,510) (71,861) (66,585) (61,610)  
Costs and Expenses                 64,837 59,056 53,922  
Retained earnings 8,006       5,852       8,006 5,852    
Decrease to AOCI 4,994       4,867       4,994 4,867 $ 4,483  
Licenses                        
Significant Accounting Policies [Line Items]                        
Indefinite-lived intangible assets 5               5      
Trade Names                        
Significant Accounting Policies [Line Items]                        
Indefinite-lived intangible assets 200               $ 200      
Change in Assumptions for Pension Plans                        
Significant Accounting Policies [Line Items]                        
Net actuarial gains or losses in excess of market-related value of plan assets or the plans' projected benefit obligations                 10.00%      
Minimum                        
Significant Accounting Policies [Line Items]                        
Employee share-based awards, Vesting Period                 3 years      
Minimum | Other Intangible Assets                        
Significant Accounting Policies [Line Items]                        
Finite-lived intangible assets, estimated useful lives range, Minimum                 2 years      
Minimum | Capitalized software                        
Significant Accounting Policies [Line Items]                        
Finite-lived intangible assets, estimated useful lives range, Minimum                 7 years      
Minimum | Vehicles                        
Significant Accounting Policies [Line Items]                        
Property, plant and equipment, estimated useful lives range Minimum                 6 years      
Minimum | Aircraft                        
Significant Accounting Policies [Line Items]                        
Property, plant and equipment, estimated useful lives range Minimum                 12 years      
Minimum | Buildings                        
Significant Accounting Policies [Line Items]                        
Property, plant and equipment, estimated useful lives range Minimum                 20 years      
Minimum | Plant Equipment                        
Significant Accounting Policies [Line Items]                        
Property, plant and equipment, estimated useful lives range Minimum                 3 years      
Minimum | Technology equipment                        
Significant Accounting Policies [Line Items]                        
Property, plant and equipment, estimated useful lives range Minimum                 3 years      
Maximum                        
Significant Accounting Policies [Line Items]                        
Employee share-based awards, Vesting Period                 5 years      
Maximum | Other Intangible Assets                        
Significant Accounting Policies [Line Items]                        
Finite-lived intangible assets, estimated useful lives range, Minimum                 22 years      
Maximum | Vehicles                        
Significant Accounting Policies [Line Items]                        
Property, plant and equipment, estimated useful lives range Minimum                 15 years      
Maximum | Aircraft                        
Significant Accounting Policies [Line Items]                        
Property, plant and equipment, estimated useful lives range Minimum                 30 years      
Maximum | Buildings                        
Significant Accounting Policies [Line Items]                        
Property, plant and equipment, estimated useful lives range Minimum                 40 years      
Maximum | Plant Equipment                        
Significant Accounting Policies [Line Items]                        
Property, plant and equipment, estimated useful lives range Minimum                 20 years      
Maximum | Technology equipment                        
Significant Accounting Policies [Line Items]                        
Property, plant and equipment, estimated useful lives range Minimum                 5 years      
Self-insurance requirements [Member]                        
Significant Accounting Policies [Line Items]                        
Investments and Restricted Cash 142       449       $ 142 449    
cash held in escrow [Member]                        
Significant Accounting Policies [Line Items]                        
Restricted Cash and Cash Equivalents, Noncurrent $ 9       $ 15       9 15    
Adjustments                        
Significant Accounting Policies [Line Items]                        
Income tax benefit                 38 71    
Adjustments                        
Significant Accounting Policies [Line Items]                        
Costs and Expenses                 $ 709 $ 0    
Retained earnings                       $ 735
Decrease to AOCI                       $ 735